org.apache.kafka.server.immutable

Interface ImmutableSet<E>

Type Parameters:

E - the element type

All Superinterfaces:

Collection<E>, Iterable<E>, Set<E>

All Known Subinterfaces:

ImmutableNavigableSet<E>

All Known Implementing Classes:

PCollectionsImmutableNavigableSet, PCollectionsImmutableSet

public interface ImmutableSet<E>
extends Set<E>

A persistent Hash-based Set wrapper java.util.Set methods that mutate in-place will throw UnsupportedOperationException

Method Summary

Modifier and Type	Method and Description
ImmutableSet<E>	added(E e)
static <E> ImmutableSet<E>	empty()
ImmutableSet<E>	removed(E e)
static <E> ImmutableSet<E>	singleton(E e)

Methods inherited from interface java.util.Set

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Method Detail

empty

static <E> ImmutableSet<E> empty()

Type Parameters:

E - the element type

Returns:

a wrapped hash-based persistent set that is empty

singleton

static <E> ImmutableSet<E> singleton(E e)

Type Parameters:

E - the element type

Parameters:

e - the element

Returns:

a wrapped hash-based persistent set that has a single element

added

ImmutableSet<E> added(E e)

Parameters:

e - the element

Returns:

a wrapped persistent set that differs from this one in that the given element is added (if necessary)

removed

ImmutableSet<E> removed(E e)

Parameters:

e - the element

Returns:

a wrapped persistent set that differs from this one in that the given element is added (if necessary)